diff options
| author | hathach <[email protected]> | 2026-04-23 15:27:05 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2026-04-23 15:29:27 +0700 |
| commit | f9ffb94f3d392140cc350cdb532f0576552bbeb8 (patch) | |
| tree | ef8ffed588d3e8e3546d3f460ac7996a90b073a1 | |
| parent | 8513c50231e1935657737b42a739e96c6d0dd154 (diff) | |
tweak lwip config to get better iperf throughput
| -rw-r--r-- | examples/device/net_lwip_webserver/src/lwipopts.h | 8 | ||||
| -rw-r--r-- | examples/device/net_lwip_webserver/src/tusb_config.h | 11 |
2 files changed, 9 insertions, 10 deletions
diff --git a/examples/device/net_lwip_webserver/src/lwipopts.h b/examples/device/net_lwip_webserver/src/lwipopts.h index 11686ce2a..4fdef6b4e 100644 --- a/examples/device/net_lwip_webserver/src/lwipopts.h +++ b/examples/device/net_lwip_webserver/src/lwipopts.h @@ -48,8 +48,8 @@ #define LWIP_IP_ACCEPT_UDP_PORT(p) ((p) == PP_NTOHS(67)) #define TCP_MSS (1500 /*mtu*/ - 20 /*iphdr*/ - 20 /*tcphhr*/) -#define TCP_SND_BUF (4 * TCP_MSS) -#define TCP_WND (4 * TCP_MSS) +#define TCP_SND_BUF (8 * TCP_MSS) +#define TCP_WND (8 * TCP_MSS) #define ETHARP_SUPPORT_STATIC_ENTRIES 1 @@ -60,7 +60,9 @@ #define LWIP_SINGLE_NETIF 1 #define LWIP_NETIF_LINK_CALLBACK 1 -#define PBUF_POOL_SIZE 4 +#define PBUF_POOL_SIZE 8 +// Must grow in step with TCP_SND_BUF (default MEMP_NUM_TCP_SEG=16 caps TCP_SND_BUF at 4*MSS). +#define MEMP_NUM_TCP_SEG 32 #define HTTPD_USE_CUSTOM_FSDATA 0 diff --git a/examples/device/net_lwip_webserver/src/tusb_config.h b/examples/device/net_lwip_webserver/src/tusb_config.h index db52e3b50..ae7d00a74 100644 --- a/examples/device/net_lwip_webserver/src/tusb_config.h +++ b/examples/device/net_lwip_webserver/src/tusb_config.h @@ -92,8 +92,6 @@ extern "C" { #define USE_ECM 1 #elif TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32F1) #define USE_ECM 1 -#elif TU_CHECK_MCU(OPT_MCU_MAX32690, OPT_MCU_MAX32650, OPT_MCU_MAX32666, OPT_MCU_MAX78002) - #define USE_ECM 1 #else #define USE_ECM 0 #endif @@ -109,20 +107,19 @@ extern "C" { // Must be >> MTU // Can be set to 2048 without impact -#define CFG_TUD_NCM_IN_NTB_MAX_SIZE (2 * TCP_MSS + 100) +#define CFG_TUD_NCM_IN_NTB_MAX_SIZE (3 * TCP_MSS + 100) // Must be >> MTU // Can be set to smaller values if wNtbOutMaxDatagrams==1 -#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE (2 * TCP_MSS + 100) +#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE (3 * TCP_MSS + 100) // Number of NCM transfer blocks for reception side #ifndef CFG_TUD_NCM_OUT_NTB_N - #define CFG_TUD_NCM_OUT_NTB_N 1 + #define CFG_TUD_NCM_OUT_NTB_N 2 #endif -// Number of NCM transfer blocks for transmission side #ifndef CFG_TUD_NCM_IN_NTB_N - #define CFG_TUD_NCM_IN_NTB_N 1 + #define CFG_TUD_NCM_IN_NTB_N 2 #endif //-------------------------------------------------------------------- |